[rhythmbox/wip/sam/meson: 285/287] Remove some unused stuff from Autotools build instructions

[Sam Thursfield <sthursfield src gnome org>]

commit 668fec9f178f7ea2fb417d231eced23d1d5430cb
Author: Sam Thursfield <sam afuera me uk>
Date:   Tue Sep 13 00:24:05 2016 +0100

    Remove some unused stuff from Autotools build instructions

 configure.ac        | 5 -----
 widgets/Makefile.am | 1 -
 2 files changed, 6 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 0d3276fc9..b2a437088 100644
--- a/configure.ac
+++ b/configure.ac
@@ -491,11 +491,6 @@ else
        AC_MSG_RESULT(no)
 fi
 
-dnl Set required and max glib/gdk versions
-AC_DEFINE(GLIB_VERSION_MIN_REQUIRED, GLIB_VERSION_2_38, [minimum glib version])
-AC_DEFINE(GLIB_VERSION_MAX_ALLOWED, GLIB_VERSION_2_38, [maximum glib version])
-AC_DEFINE(GDK_VERSION_MIN_REQUIRED, GDK_VERSION_3_16, [minimum gdk version])
-AC_DEFINE(GDK_VERSION_MAX_ALLOWED, GDK_VERSION_3_16, [maximum gdk version])
 
 dnl Check for -fno-strict-aliasing
 FLAGS="-fno-strict-aliasing"
diff --git a/widgets/Makefile.am b/widgets/Makefile.am
index df89453da..1ce79ce78 100644
--- a/widgets/Makefile.am
+++ b/widgets/Makefile.am
@@ -69,7 +69,6 @@ AM_CPPFLAGS =                                         \
        -I$(top_srcdir)/metadata                        \
        -I$(top_srcdir)/rhythmdb                        \
        -I$(top_srcdir)/sources                         \
-       -I$(top_srcdir)/library                         \
        -I$(top_srcdir)/shell                           \
        -I$(top_srcdir)/backends                        \
        $(NOTIFY_CFLAGS)                                \